CN210718926U - Impeller flow passage measuring device - Google Patents
Impeller flow passage measuring device Download PDFInfo
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- CN210718926U CN210718926U CN201921716331.XU CN201921716331U CN210718926U CN 210718926 U CN210718926 U CN 210718926U CN 201921716331 U CN201921716331 U CN 201921716331U CN 210718926 U CN210718926 U CN 210718926U
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- ruler
- impeller
- flow channel
- measuring device
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Abstract
An impeller flow passage measuring device comprises a ruler body, wherein scale marks are arranged on the ruler body, a ruler head is arranged at one end of the bottom surface of the ruler body, and the ruler body penetrates through a through hole in a ruler base; the chi head is including being located the cylinder section on upper portion and being located the round platform section of lower part, and the horizontal cross-section diameter of round platform section from top to bottom reduces gradually. By adopting the structure, the rapid measurement of the distance from the center of the flow channel to the end face of the impeller can be realized for impellers of different sizes, the number of measuring tools to be configured is reduced, the measuring efficiency is improved, and the measuring cost is reduced.
Description
Technical Field
The utility model relates to a measuring device, especially an impeller runner measuring device.
Background
The distance from the center of the impeller flow channel to the end face of the impeller is an important dimension in the impeller processing process, the accuracy of the distance is related to the alignment of the outlet of the impeller flow channel and the inlet of the guide vane flow channel, the service performance of the pump is seriously affected by overlarge error, but due to the irregular structure of the impeller, the size is difficult to measure by using a conventional general measuring tool, and a special measuring tool is generally required to be manufactured for measurement, because various pump impellers are different, the width of the runner and the distance from the center of the runner to the end surface of the impeller are different, different impellers need to be manufactured with different special measuring tools, the variety is various, the cost is high, the management is not facilitated, the multipurpose measuring scale for the center of the runner of the impeller is invented by the project, the distance between the center of the flow channel and the end face of the impeller can be measured for different impellers, the measurement is convenient and quick, the types of special measuring tools are reduced, the production cost is reduced, and the working efficiency is improved.
Disclosure of Invention
The utility model aims to solve the technical problem that an impeller runner measuring device is provided, can realize carrying out the quick measurement of runner center to impeller terminal surface distance to unidimensional impeller, reduce the measuring tool's that needs the configuration quantity, improve measurement of efficiency, reduce measurement cost.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: an impeller flow passage measuring device comprises a ruler body, wherein scale marks are arranged on the ruler body, a ruler head is arranged at one end of the bottom surface of the ruler body, and the ruler body penetrates through a through hole in a ruler base;
the ruler head comprises a cylindrical section located on the upper portion and a circular table section located on the lower portion, and the diameter of the horizontal section of the circular table section is gradually reduced from top to bottom.
In a preferable scheme, the top of the ruler base is provided with a fixing bolt, and the lower end of the fixing bolt penetrates through the ruler base part above the through hole and is in contact with the top surface of the ruler body part in the through hole.
In a preferable scheme, the '0' scale point of the scale mark and the central axis of the ruler head are positioned on the same vertical plane.
In the preferred scheme, two side walls of the ruler body are provided with horizontal guide grooves, two side walls of the through hole are provided with wheel grooves, horizontal idler wheels are arranged in the wheel grooves, and the idler wheels are in contact with the groove bottoms of the guide grooves.
In a preferable scheme, the diameter of the top surface of the circular platform section in the ruler head is larger than that of the flow channel in the impeller, and the diameter of the bottom surface of the circular platform section in the ruler head is smaller than that of the flow channel in the impeller.
The utility model provides an impeller runner measuring device through adopting above-mentioned structure, has following beneficial effect:
(1) the device has wide application range and is suitable for the measurement operation of impellers with different flow passage diameters;
(2) through the adjustment of the fixing bolt, the switching between the fixed connection and the movable connection between the ruler seat and the ruler body can be realized, so that the measurement precision is guaranteed.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the vertical structure of the utility model during the measurement operation.
Fig. 3 is a schematic sectional view of the connecting position of the middle blade and the blade base of the present invention.
In the figure: the ruler comprises a ruler head 1, a ruler body 2, a ruler base 3, a through hole 301, a fixing bolt 4, scale marks 5, an impeller 6, a guide groove 7, a wheel groove 8 and a roller 9.
Detailed Description
As shown in fig. 1-2, an impeller flow channel measuring device comprises a ruler body 2, wherein scale marks 5 are arranged on the ruler body 2, a ruler head 1 is arranged at one end of the bottom surface of the ruler body 2, and the ruler body 2 passes through a through hole 301 on a ruler base 3;
the ruler head 1 comprises a cylindrical section located on the upper portion and a circular table section located on the lower portion, and the diameter of the horizontal section of the circular table section is gradually reduced from top to bottom.
In a preferable scheme, the top of the ruler base 3 is provided with a fixing bolt 4, and the lower end of the fixing bolt 4 passes through the part of the ruler base 3 above the through hole 301 and contacts with the top surface of the part of the ruler body 2 in the through hole 301.
In a preferable scheme, the '0' scale point of the scale mark 5 and the central axis of the ruler head 1 are positioned on the same vertical plane.
In a preferable scheme, horizontal guide grooves 7 are formed in two side walls of the ruler body 2, wheel grooves 8 are formed in two side walls of the through hole 301, a horizontal roller 9 is arranged in the wheel grooves 8, and the roller 9 is in contact with the bottom of the guide grooves 7.
In a preferable scheme, the diameter of the top surface of the circular table section in the ruler head 1 is larger than the diameter of the flow channel in the impeller 6, and the diameter of the bottom surface of the circular table section in the ruler head 1 is smaller than the diameter of the flow channel in the impeller 6.
The principle of the device is as follows:
as shown in fig. 1, the fixing bolt 4 is loosened, the lower end of the ruler head 1 is vertically placed into the flow channel of the impeller 6, then the ruler base 3 is moved horizontally, so that one side of the ruler base 3 is tightly attached to the end surface of the impeller 6, at the moment, the ruler base 3 is in a vertical state, and the ruler body 2 is kept horizontal, therefore, under the state that the flow channel of the ruler head 1 and the impeller 6 is completely released, the central axis of the ruler head 1 is also in a vertical state, and at the moment, the reading of the scale mark 5 corresponding to one side of the ruler base 3 close to the ruler head 1 is the distance value from the center of the flow channel of the impeller.
By adopting the structure, the application range of the device is expanded, the device is suitable for the measurement operation of impellers with different flow channel diameters, the configuration of a plurality of measurement devices is omitted, and the configuration cost of the measurement devices is reduced; meanwhile, through the adjustment of the fixing bolt, the switching between the fixed connection and the movable connection between the ruler seat and the ruler body can be realized, so that the measurement precision is guaranteed.
Claims (5)
1. The utility model provides an impeller runner measuring device, includes blade (2), characterized by: the ruler body (2) is provided with scale marks (5), one end of the bottom surface of the ruler body (2) is provided with a ruler head (1), and the ruler body (2) penetrates through a through hole (301) in the ruler base (3);
the ruler head (1) comprises a cylindrical section located on the upper portion and a circular table section located on the lower portion, and the diameter of the horizontal section of the circular table section is gradually reduced from top to bottom.
2. The impeller flow channel measuring device of claim 1, wherein: the top of the ruler base (3) is provided with a fixing bolt (4), and the lower end of the fixing bolt (4) penetrates through the part of the ruler base (3) above the through hole (301) and is in contact with the top surface of the part of the ruler body (2) in the through hole (301).
3. The impeller flow channel measuring device of claim 1, wherein: the '0' scale point of the scale mark (5) and the central axis of the ruler head (1) are positioned on the same vertical plane.
4. The impeller flow channel measuring device of claim 1, wherein: two lateral walls of blade (2) on be equipped with horizontally guide way (7), be equipped with race (8) on two lateral walls of through-hole (301), be equipped with horizontally gyro wheel (9) in race (8), gyro wheel (9) and the tank bottom contact of guide way (7).
5. The impeller flow channel measuring device of claim 1, wherein: the diameter of the top surface of the circular table section in the ruler head (1) is larger than that of the flow channel in the impeller (6), and the diameter of the bottom surface of the circular table section in the ruler head (1) is smaller than that of the flow channel in the impeller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921716331.XU CN210718926U (en) | 2019-10-14 | 2019-10-14 | Impeller flow passage measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921716331.XU CN210718926U (en) | 2019-10-14 | 2019-10-14 | Impeller flow passage measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210718926U true CN210718926U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921716331.XU Active CN210718926U (en) | 2019-10-14 | 2019-10-14 | Impeller flow passage measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN210718926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179241A (en) * | 2020-09-29 | 2021-01-05 | 中国航发动力股份有限公司 | Auxiliary measuring device and method for width of inner ring flow channel and outer ring flow channel between blades of machine box assembly |
-
2019
- 2019-10-14 CN CN201921716331.XU patent/CN210718926U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179241A (en) * | 2020-09-29 | 2021-01-05 | 中国航发动力股份有限公司 | Auxiliary measuring device and method for width of inner ring flow channel and outer ring flow channel between blades of machine box assembly |
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